40
User manual
Room air conditioner - TETA X
EN
PART 3. TROUBLESHOOTING
Malfunction Possible causes
The appliance does not
operate
Power failure/plug pilled out
Damaged indoor/outdoor unit fan motor
Faulty compressor thermomagnetic circuit breaker
Faulty protective device or fuses
Loose connections or plug pulled out
It sometimes stops operating to protect the appliance
Voltage higher or lower than the voltage range
Active TIMER-ON function
Damaged electronic control board
Strange odour Air lter dirty
Noise of running water Let Back ow of liquid in the refrigerant circulation
A ne mist comes from
the air outlet
This occurs when the air in the room becomes very cold, for example in the
"COOLING" or DEHUMIDIFYING/DRY modes
A strange noise can be
heard
This noise is made by the expansion or contraction of the front panel due to
variations in temperature and does not indicate a problem
Insucient air ow,
either hot or cold
Unsuitable temperature setting.
Obstructed air conditioner intakes and outlets.
Dirty air lter.
Fan speed set at minimum.
Other sources of heat in the room.
No refrigerant.
The appliance does not
respond to commands
Remote control is not close enough to indoor unit.
The batteries of remote control need to be replaced.
Obstacles between remote control and signal receiver in indoor unit.
The display is o
Active DISPLAY function.
Power failure.
Switch o the air
conditioner immediately
and cut o the power
supply in the event of:
Strange noises during operation.
Faulty electronic control board.
Faulty fuses or switches.
Spraying water or objects inside the appliance.
Overheated cables or plugs.
Very strong smells coming from the appliance.
1. MALFUNCTIONS